2 years ago

An object moving with a speed of 5m/s has a kinetic energy of 100J what is the mass of the object

Mathematics

1 answer:

Sphinxa [80]2 years ago

5 0

Answer:

k. e. = 1/2 mv^2

100 = 1/2 * m * 5^2

100 = 1/2 * m * 25

m = 100* 2/25

m = 8 kg

hope it helps you

You might be interested in

The school spirit club made a banner to hang an area of 36 square feet and a length of 9 feet what is its width

tresset_1 [31]

A/length=width
36/9=width
36/9=4
The width is 4 feet.

4 0

3 years ago

A ladder is leaning against a vertical wall which is 5m high. The top of the ladder slides all the way down the wall so that the

Lynna [10]

Answer:

Do using Pythagoras theorem... Also before doing a question of height and distance always try to make the figure

Step-by-step explanation:

Use the two triangles ABC and ABD to first get the base and find the height of the ladder

7 0

3 years ago

The four highest scores on the floor exercise at a gymnastics meet were 9.685, 9.28, 9.366, and 9.5 points.

DaniilM [7]

Answer:

9.28 is lowest

9.685 is highest

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Jessie has a piece of wood that is 8 feet long. he needs to cut pieces that are 7/8 of a foot long. how many pieces will he b ab

Nastasia [14]

Hello
You divide 8 by 7/8 you get 
9 1/7
Hope we helped

3 0

2 years ago

Read 2 more answers

A certain television is advertised as a 55-inch TV (the diagonal length). If the width of the TV is 42 inches, how many inches t

Mumz [18]

Answer:

69.20in

Step-by-step explanation:

Given data

diagonal of the TV d= 55in

Widht of the TV w= 42 in

Hight h= ???

Applying the Pythagoras theorem

d^2= w^2+ h^2

substitute

55^2= 42^2+ h^2

3025= 1764+ h^2

3025+1764= h^2

4789= h^2

h=√4789

h= 69.20

Hence the Heigth is 69.20in

7 0

2 years ago